{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"MEDIUM" }, "category":"csaf_vex", "csaf_version":"2.0", "distribution":{ "tlp":{ "label":"WHITE", "url":"https:/www.first.org/tlp/" } }, "lang":"en", "notes":[ { "text":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: storvsc: Fix scheduling while atomic on PREEMPT_RT\n\nThis resolves the follow splat and lock-up when running with PREEMPT_RT\nenabled on Hyper-V:\n\n[ 415.140818] BUG: scheduling while atomic: stress-ng-iomix/1048/0x00000002\n[ 415.140822] INFO: lockdep is turned off.\n[ 415.140823] Modules linked in: intel_rapl_msr intel_rapl_common intel_uncore_frequency_common intel_pmc_core pmt_telemetry pmt_discovery pmt_class intel_pmc_ssram_telemetry intel_vsec ghash_clmulni_intel aesni_intel rapl binfmt_misc nls_ascii nls_cp437 vfat fat snd_pcm hyperv_drm snd_timer drm_client_lib drm_shmem_helper snd sg soundcore drm_kms_helper pcspkr hv_balloon hv_utils evdev joydev drm configfs efi_pstore nfnetlink vsock_loopback vmw_vsock_virtio_transport_common hv_sock vmw_vsock_vmci_transport vsock vmw_vmci efivarfs autofs4 ext4 crc16 mbcache jbd2 sr_mod sd_mod cdrom hv_storvsc serio_raw hid_generic scsi_transport_fc hid_hyperv scsi_mod hid hv_netvsc hyperv_keyboard scsi_common\n[ 415.140846] Preemption disabled at:\n[ 415.140847] [] storvsc_queuecommand+0x2e1/0xbe0 [hv_storvsc]\n[ 415.140854] CPU: 8 UID: 0 PID: 1048 Comm: stress-ng-iomix Not tainted 6.19.0-rc7 #30 PREEMPT_{RT,(full)}\n[ 415.140856] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.1 09/04/2024\n[ 415.140857] Call Trace:\n[ 415.140861] \n[ 415.140861] ? storvsc_queuecommand+0x2e1/0xbe0 [hv_storvsc]\n[ 415.140863] dump_stack_lvl+0x91/0xb0\n[ 415.140870] __schedule_bug+0x9c/0xc0\n[ 415.140875] __schedule+0xdf6/0x1300\n[ 415.140877] ? rtlock_slowlock_locked+0x56c/0x1980\n[ 415.140879] ? rcu_is_watching+0x12/0x60\n[ 415.140883] schedule_rtlock+0x21/0x40\n[ 415.140885] rtlock_slowlock_locked+0x502/0x1980\n[ 415.140891] rt_spin_lock+0x89/0x1e0\n[ 415.140893] hv_ringbuffer_write+0x87/0x2a0\n[ 415.140899] vmbus_sendpacket_mpb_desc+0xb6/0xe0\n[ 415.140900] ? rcu_is_watching+0x12/0x60\n[ 415.140902] storvsc_queuecommand+0x669/0xbe0 [hv_storvsc]\n[ 415.140904] ? HARDIRQ_verbose+0x10/0x10\n[ 415.140908] ? __rq_qos_issue+0x28/0x40\n[ 415.140911] scsi_queue_rq+0x760/0xd80 [scsi_mod]\n[ 415.140926] __blk_mq_issue_directly+0x4a/0xc0\n[ 415.140928] blk_mq_issue_direct+0x87/0x2b0\n[ 415.140931] blk_mq_dispatch_queue_requests+0x120/0x440\n[ 415.140933] blk_mq_flush_plug_list+0x7a/0x1a0\n[ 415.140935] __blk_flush_plug+0xf4/0x150\n[ 415.140940] __submit_bio+0x2b2/0x5c0\n[ 415.140944] ? submit_bio_noacct_nocheck+0x272/0x360\n[ 415.140946] submit_bio_noacct_nocheck+0x272/0x360\n[ 415.140951] ext4_read_bh_lock+0x3e/0x60 [ext4]\n[ 415.140995] ext4_block_write_begin+0x396/0x650 [ext4]\n[ 415.141018] ? __pfx_ext4_da_get_block_prep+0x10/0x10 [ext4]\n[ 415.141038] ext4_da_write_begin+0x1c4/0x350 [ext4]\n[ 415.141060] generic_perform_write+0x14e/0x2c0\n[ 415.141065] ext4_buffered_write_iter+0x6b/0x120 [ext4]\n[ 415.141083] vfs_write+0x2ca/0x570\n[ 415.141087] ksys_write+0x76/0xf0\n[ 415.141089] do_syscall_64+0x99/0x1490\n[ 415.141093] ? rcu_is_watching+0x12/0x60\n[ 415.141095] ? finish_task_switch.isra.0+0xdf/0x3d0\n[ 415.141097] ? rcu_is_watching+0x12/0x60\n[ 415.141098] ? lock_release+0x1f0/0x2a0\n[ 415.141100] ? rcu_is_watching+0x12/0x60\n[ 415.141101] ? finish_task_switch.isra.0+0xe4/0x3d0\n[ 415.141103] ? rcu_is_watching+0x12/0x60\n[ 415.141104] ? __schedule+0xb34/0x1300\n[ 415.141106] ? hrtimer_try_to_cancel+0x1d/0x170\n[ 415.141109] ? do_nanosleep+0x8b/0x160\n[ 415.141111] ? hrtimer_nanosleep+0x89/0x100\n[ 415.141114] ? __pfx_hrtimer_wakeup+0x10/0x10\n[ 415.141116] ? xfd_validate_state+0x26/0x90\n[ 415.141118] ? rcu_is_watching+0x12/0x60\n[ 415.141120] ? do_syscall_64+0x1e0/0x1490\n[ 415.141121] ? do_syscall_64+0x1e0/0x1490\n[ 415.141123] ? rcu_is_watching+0x12/0x60\n[ 415.141124] ? do_syscall_64+0x1e0/0x1490\n[ 415.141125] ? do_syscall_64+0x1e0/0x1490\n[ 415.141127] ? irqentry_exit+0x140/0\n---truncated---", "category":"general", "title":"Synopsis" } ], "publisher":null, "references":[ { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43475" }, { "summary":"CVE-2026-43475 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2026/csaf-openeuler-cve-2026-43475.json" }, { "summary":"openEuler-SA-2026-2580", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2580" }, { "summary":"CVE-2026-43475", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-43475&packageName=kernel" } ], "title":"openEuler cve CVE-2026-43475", "tracking":{ "initial_release_date":"2026-06-08T15:16:52+08:00", "revision_history":[ { "date":"2026-06-08T15:16:52+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2026-06-08T15:16:52+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2026-06-08T15:16:52+08:00", "id":"CVE-2026-43475", "version":"1.0.0", "status":"interim" } }, "product_tree":{ 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stress-ng-iomix/1048/0x00000002\n[ 415.140822] INFO: lockdep is turned off.\n[ 415.140823] Modules linked in: intel_rapl_msr intel_rapl_common intel_uncore_frequency_common intel_pmc_core pmt_telemetry pmt_discovery pmt_class intel_pmc_ssram_telemetry intel_vsec ghash_clmulni_intel aesni_intel rapl binfmt_misc nls_ascii nls_cp437 vfat fat snd_pcm hyperv_drm snd_timer drm_client_lib drm_shmem_helper snd sg soundcore drm_kms_helper pcspkr hv_balloon hv_utils evdev joydev drm configfs efi_pstore nfnetlink vsock_loopback vmw_vsock_virtio_transport_common hv_sock vmw_vsock_vmci_transport vsock vmw_vmci efivarfs autofs4 ext4 crc16 mbcache jbd2 sr_mod sd_mod cdrom hv_storvsc serio_raw hid_generic scsi_transport_fc hid_hyperv scsi_mod hid hv_netvsc hyperv_keyboard scsi_common\n[ 415.140846] Preemption disabled at:\n[ 415.140847] [] storvsc_queuecommand+0x2e1/0xbe0 [hv_storvsc]\n[ 415.140854] CPU: 8 UID: 0 PID: 1048 Comm: stress-ng-iomix Not tainted 6.19.0-rc7 #30 PREEMPT_{RT,(full)}\n[ 415.140856] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.1 09/04/2024\n[ 415.140857] Call Trace:\n[ 415.140861] \n[ 415.140861] ? storvsc_queuecommand+0x2e1/0xbe0 [hv_storvsc]\n[ 415.140863] dump_stack_lvl+0x91/0xb0\n[ 415.140870] __schedule_bug+0x9c/0xc0\n[ 415.140875] __schedule+0xdf6/0x1300\n[ 415.140877] ? rtlock_slowlock_locked+0x56c/0x1980\n[ 415.140879] ? rcu_is_watching+0x12/0x60\n[ 415.140883] schedule_rtlock+0x21/0x40\n[ 415.140885] rtlock_slowlock_locked+0x502/0x1980\n[ 415.140891] rt_spin_lock+0x89/0x1e0\n[ 415.140893] hv_ringbuffer_write+0x87/0x2a0\n[ 415.140899] vmbus_sendpacket_mpb_desc+0xb6/0xe0\n[ 415.140900] ? rcu_is_watching+0x12/0x60\n[ 415.140902] storvsc_queuecommand+0x669/0xbe0 [hv_storvsc]\n[ 415.140904] ? HARDIRQ_verbose+0x10/0x10\n[ 415.140908] ? __rq_qos_issue+0x28/0x40\n[ 415.140911] scsi_queue_rq+0x760/0xd80 [scsi_mod]\n[ 415.140926] __blk_mq_issue_directly+0x4a/0xc0\n[ 415.140928] blk_mq_issue_direct+0x87/0x2b0\n[ 415.140931] blk_mq_dispatch_queue_requests+0x120/0x440\n[ 415.140933] blk_mq_flush_plug_list+0x7a/0x1a0\n[ 415.140935] __blk_flush_plug+0xf4/0x150\n[ 415.140940] __submit_bio+0x2b2/0x5c0\n[ 415.140944] ? submit_bio_noacct_nocheck+0x272/0x360\n[ 415.140946] submit_bio_noacct_nocheck+0x272/0x360\n[ 415.140951] ext4_read_bh_lock+0x3e/0x60 [ext4]\n[ 415.140995] ext4_block_write_begin+0x396/0x650 [ext4]\n[ 415.141018] ? __pfx_ext4_da_get_block_prep+0x10/0x10 [ext4]\n[ 415.141038] ext4_da_write_begin+0x1c4/0x350 [ext4]\n[ 415.141060] generic_perform_write+0x14e/0x2c0\n[ 415.141065] ext4_buffered_write_iter+0x6b/0x120 [ext4]\n[ 415.141083] vfs_write+0x2ca/0x570\n[ 415.141087] ksys_write+0x76/0xf0\n[ 415.141089] do_syscall_64+0x99/0x1490\n[ 415.141093] ? rcu_is_watching+0x12/0x60\n[ 415.141095] ? finish_task_switch.isra.0+0xdf/0x3d0\n[ 415.141097] ? rcu_is_watching+0x12/0x60\n[ 415.141098] ? lock_release+0x1f0/0x2a0\n[ 415.141100] ? rcu_is_watching+0x12/0x60\n[ 415.141101] ? finish_task_switch.isra.0+0xe4/0x3d0\n[ 415.141103] ? rcu_is_watching+0x12/0x60\n[ 415.141104] ? __schedule+0xb34/0x1300\n[ 415.141106] ? hrtimer_try_to_cancel+0x1d/0x170\n[ 415.141109] ? do_nanosleep+0x8b/0x160\n[ 415.141111] ? hrtimer_nanosleep+0x89/0x100\n[ 415.141114] ? __pfx_hrtimer_wakeup+0x10/0x10\n[ 415.141116] ? xfd_validate_state+0x26/0x90\n[ 415.141118] ? rcu_is_watching+0x12/0x60\n[ 415.141120] ? do_syscall_64+0x1e0/0x1490\n[ 415.141121] ? do_syscall_64+0x1e0/0x1490\n[ 415.141123] ? rcu_is_watching+0x12/0x60\n[ 415.141124] ? do_syscall_64+0x1e0/0x1490\n[ 415.141125] ? do_syscall_64+0x1e0/0x1490\n[ 415.141127] ? irqentry_exit+0x140/0\n---truncated---", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ 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"openEuler-22.03-LTS-SP4:kernel-tools-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-tools-debuginfo-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-tools-devel-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:perf-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:perf-debuginfo-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:python3-perf-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:python3-perf-debuginfo-5.10.0-317.0.0.220.oe2203sp4.aarch64" ] }, "remediations":[ { "product_ids":[ "openEuler-22.03-LTS-SP4:bpftool-5.10.0-317.0.0.220.oe2203sp4.x86_64", "openEuler-22.03-LTS-SP4:bpftool-debuginfo-5.10.0-317.0.0.220.oe2203sp4.x86_64", "openEuler-22.03-LTS-SP4:kernel-5.10.0-317.0.0.220.oe2203sp4.x86_64", "openEuler-22.03-LTS-SP4:kernel-debuginfo-5.10.0-317.0.0.220.oe2203sp4.x86_64", "openEuler-22.03-LTS-SP4:kernel-debugsource-5.10.0-317.0.0.220.oe2203sp4.x86_64", 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"openEuler-22.03-LTS-SP4:bpftool-debuginfo-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-debuginfo-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-debugsource-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-devel-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-headers-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-source-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-tools-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-tools-debuginfo-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-tools-devel-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:perf-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:perf-debuginfo-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:python3-perf-5.10.0-317.0.0.220.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:python3-perf-debuginfo-5.10.0-317.0.0.220.oe2203sp4.aarch64" ], "details":"kernel security update", "category":"vendor_fix", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2580" } ], "scores":[ { "cvss_v3":{ "baseSeverity":"MEDIUM", "baseScore":5.5, "vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version":"3.1" }, "products":[ "openEuler-22.03-LTS-SP4:bpftool-5.10.0-317.0.0.220.oe2203sp4.x86_64", "openEuler-22.03-LTS-SP4:bpftool-debuginfo-5.10.0-317.0.0.220.oe2203sp4.x86_64", "openEuler-22.03-LTS-SP4:kernel-5.10.0-317.0.0.220.oe2203sp4.x86_64", "openEuler-22.03-LTS-SP4:kernel-debuginfo-5.10.0-317.0.0.220.oe2203sp4.x86_64", "openEuler-22.03-LTS-SP4:kernel-debugsource-5.10.0-317.0.0.220.oe2203sp4.x86_64", "openEuler-22.03-LTS-SP4:kernel-devel-5.10.0-317.0.0.220.oe2203sp4.x86_64", 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"category":"impact" } ], "title":"CVE-2026-43475" } ] }